Sentence examples for had become established from inspiring English sources

By the 1790s Newton's theory of gravity had become established among those engaged in research in orbital mechanics and physical geodesy, leading to the Principia becoming the exemplar of science at its most successful.

By 1915, Dawson's dawn-man had become established scientific fact.

Within 500,000 years, humans had become established in the Mediterranean region.

Once the internal reaction chamber had become established the refinements would have followed.

By the early 19th century, obstetrics had become established as a recognized medical discipline in Europe and the United States.

The success was repeated in every country where the scale insect had become established without its predators.

Once an epidemic has become established, however, the equation changes.

The Texas circuit has become established in other fields since staging its first US Grand Prix in 2012.

Now, though, a class system of talent franchises has become established.

The general term psi has become established to denote all kinds of parapsychological phenomena.

The applied techniques of fiscal and monetary policy have become established specializations of public administration.